Dufour 310 Grand Large vs 1988 Najad 331 — Comparison
Specifications Side by Side
| Specification | Dufour 310 Grand Large | 1988 Najad 331 |
|---|---|---|
| General | ||
| Manufacturer | Dufour | Najad |
| Year | 2015–2020 | 1988–1998 |
| Type | Sloop | Sloop |
| Country | France | Sweden |
| Designer | Felci Yacht Design | Judel/Vrolijk |
| Dimensions | ||
| LOA | 9.43 m (30.9 ft) | 10.06 m (33.0 ft) |
| LWL | 8.45 m (27.7 ft) | 8.38 m (27.5 ft) |
| Beam | 3.13 m (10.3 ft) | 3.18 m (10.4 ft) |
| Draft | 1.60 m (5.2 ft) | 1.65 m (5.4 ft) |
| Weight | ||
| Displacement | 4,150 kg (9,149 lbs) | 4,900 kg (10,803 lbs) |
| Ballast | 1,230 kg (2,712 lbs) | 2,000 kg (4,409 lbs) |
| Sailing | ||
| Sail Area | 40.0 m² (431 ft²) | 43.0 m² (463 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 15 HP | 21 HP |
| Fuel Capacity | 80 L (21.1 gal) | 80 L (21.1 gal) |
| Water Capacity | 120 L (31.7 gal) | 140 L (37.0 gal) |
| Accommodation | ||
| Berths | 4 | 5 |
| Cabins | 1 | 2 |
Performance Comparison
Detailed Comparison
The Dufour 310 Grand Large and 1988 Najad 331 represent two takes on sloop-rigged sailing. The Dufour 310 Grand Large is a modern design by Dufour from France, while the 1988 Najad 331 is a 1980s offering from Najad from Sweden. The Dufour 310 Grand Large was penned by Felci Yacht Design. The 1988 Najad 331 was designed by Judel/Vrolijk.
In terms of size, the Dufour 310 Grand Large measures 9.43m (30.9ft) overall with a beam of 3.13m, compared to the 1988 Najad 331 at 10.06m (33.0ft) with a 3.18m beam. The 1988 Najad 331 is 0.63m longer than the Dufour 310 Grand Large. The 1988 Najad 331 displaces approximately 18% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the Dufour 310 Grand Large has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.74 and 40.0 m² of sail area. The 1988 Najad 331, with an SA/D of 15.15 and 43.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Dufour 310 Grand Large has the edge in terms of raw sailing performance.
For comfort and safety, the Dufour 310 Grand Large offers a firm, racing-oriented motion (comfort ratio: 18.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The 1988 Najad 331 has a comfort ratio of 20.4 and a capsize screening value of 0.75. The ballast ratios are 29.6% for the Dufour 310 Grand Large and 40.8% for the 1988 Najad 331, reflecting their respective approaches to stability.
Below deck, the Dufour 310 Grand Large provides 4 berths in 1 cabin with 120L of water capacity and 80L of fuel. The 1988 Najad 331 offers 5 berths in 2 cabins with 140L water and 80L fuel capacity.
Verdict
For cruising: The 1988 Najad 331 is the better choice for comfortable cruising thanks to its higher comfort ratio, offering a gentler motion at sea that crews will appreciate on longer passages.
For racing: The Dufour 310 Grand Large has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 1988 Najad 331 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.
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Or view individual specs: Dufour 310 Grand Large · 1988 Najad 331